This Technical Information became null and void on 5 Nov 2018. Monthly inspection of immersion suits / anti-exposure suits Full-text PDF:TEC- 1118 (35kb) Contact:Survey Department Issued:2 Aug 2017 It has already been informed by ClassNK Technical Information No. TEC-0513 of 1 April 2003 about monthly inspection of immersion suits / anti-exposure suits for Singapore flagged vessels, Hong Kong flagged vessels and Greek flagged vessels. In addition to the above, India Governments have notified ClassNK of the similar instructions. In this connection, please be informed that the monthly inspection of immersion suits / anti-exposure suits are now required to the vessels flagged with Singapore, Hong Kong, Greece and India. ClassNK Technical Information No. TEC-0513 has been superseded accordingly. According to the notices, that IMO Circular MSC/Circ.1047 "Guidelines for monthly shipboard inspection of immersion suits and anti-exposure suits by ships